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发明名称
Piston construction
摘要
申请公布号
US2428983(A)
申请公布日期
1947.10.14
申请号
US19450601265
申请日期
1945.06.23
申请人
NEELEY LESTER E
发明人
NEELEY LESTER E.
分类号
F16J1/04
主分类号
F16J1/04
代理机构
代理人
主权项
地址
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